<?php
/*
Question2Answer (c) Gideon Greenspan
http://www.question2answer.org/
File: qa-include/qa-ajax-comment.php
Version: See define()s at top of qa-include/qa-base.php
Description: Server-side response to Ajax create comment requests
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
More about this license: http://www.question2answer.org/license.php
*/
require_once QA_INCLUDE_DIR.'qa-app-users.php';
require_once QA_INCLUDE_DIR.'qa-app-limits.php';
require_once QA_INCLUDE_DIR.'qa-db-selects.php';
// Load relevant information about this question and the comment parent
$questionid=qa_post_text('c_questionid');
$parentid=qa_post_text('c_parentid');
$userid=qa_get_logged_in_userid();
list($question, $parent, $children)=qa_db_select_with_pending(
qa_db_full_post_selectspec($userid, $questionid),
qa_db_full_post_selectspec($userid, $parentid),
qa_db_full_child_posts_selectspec($userid, $parentid)
);
// Check if the question and parent exist, and whether the user has permission to do this
if (
(@$question['basetype']=='Q') &&
((@$parent['basetype']=='Q') || (@$parent['basetype']=='A')) &&
!qa_user_post_permit_error('permit_post_c', $parent, QA_LIMIT_COMMENTS))
{
require_once QA_INCLUDE_DIR.'qa-app-captcha.php';
require_once QA_INCLUDE_DIR.'qa-app-format.php';
require_once QA_INCLUDE_DIR.'qa-app-post-create.php';
require_once QA_INCLUDE_DIR.'qa-app-cookies.php';
require_once QA_INCLUDE_DIR.'qa-page-question-view.php';
require_once QA_INCLUDE_DIR.'qa-page-question-submit.php';
require_once QA_INCLUDE_DIR.'qa-util-sort.php';
// Try to create the new comment
$usecaptcha=qa_user_use_captcha(qa_user_level_for_post($question));
$commentid=qa_page_q_add_c_submit($question, $parent, $children, $usecaptcha, $in, $errors);
// If successful, page content will be updated via Ajax
if (isset($commentid)) {
$children=qa_db_select_with_pending(qa_db_full_child_posts_selectspec($userid, $parentid));
$parent=$parent+qa_page_q_post_rules($parent, ($questionid==$parentid) ? null : $question, null, $children);
// in theory we should retrieve the parent's siblings for the above, but they're not going to be relevant
foreach ($children as $key => $child)
$children[$key]=$child+qa_page_q_post_rules($child, $parent, $children, null);
$usershtml=qa_userids_handles_html($children, true);
qa_sort_by($children, 'created');
$c_list=qa_page_q_comment_follow_list($question, $parent, $children, true, $usershtml, false, null);
$themeclass=qa_load_theme_class(qa_get_site_theme(), 'ajax-comments', null, null);
echo "QA_AJAX_RESPONSE\n1\n";
// Send back the ID of the new comment
echo qa_anchor('C', $commentid)."\n";
// Send back the HTML
$themeclass->c_list_items($c_list['cs']);
return;
}
}
echo "QA_AJAX_RESPONSE\n0\n"; // fall back to non-Ajax submission if there were any problems
/*
Omit PHP closing tag to help avoid accidental output
*/